Order Opiliones Sundevall, 1833 - harvestmen
   Phalangida Bristowe, 1949
     Suborder Laniatores Thorell, 1876 - armored harvestmen
       Insidiatores Loman, 1900
         Superfamily Triaenonychoidea Sørensen, 1886 [monotypic]
           1 Family Triaenonychidae Sørensen, 1886